Lost Ninja
Jay Leibold
Lost Ninja
Age Rating, Reading Level & Content Guide
by Jay Leibold
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
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About This Book
The sharp clang of swords echoes through the foggy streets of San Francisco as you sneak through shadowy alleys. The scent of ancient incense still lingers on your fingertips from the dojo in Japan, but danger waits close—ruthless gangsters lurk nearby. Every choice you make could lead to heroism, heartbreak, or an unexpected ending.
Quick Assessment
This interactive Choose Your Own Adventure book invites readers aged 9-12 to step into the shoes of a ninja navigating challenges in San Francisco. With 14 different possible endings, it encourages decision-making and engagement while exploring themes of bravery and consequences. The story includes mild peril and suspense appropriate for middle-grade readers.
Why we rated Lost Ninja 9LP
Lost Ninja is written at a Level 4-5 reading level across 144 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Lost Ninja works for readers up to grade 6.5.
We rate Lost Ninja as 9LP ("Light — Physical") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.
Thematically, Lost Ninja explores adventure, mystery, friendship, and coming of age — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about adventure, mystery, friendship.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781937133351
- Pages
- 144
- Publisher
- Chooseco LLC
- Published
- 2019
- Type
- Fiction